May weather forecast
Salem, MA

Lifting average temperatures from 48°F (8.9°C) to 66°F (18.9°C), May sees the emergence of a full-scale spring in Salem. With the temperature becoming more warm and the city witnessing more sunlight than cloudy days, outdoor activities become more enjoyable. The captivating scent of blooming flowers enhances the city's charm, attracting tourists to its historic sites. With daylight hours peaking at approximately 14.6 hours, May is a great month to visit Salem. Nevertheless, the average rainfall in May, of about 3.3" (84mm), is to be considered as well.

Temperature

May's arrival signals an increase in average high-temperatures, moving from April's moderate 55.4°F (13°C) to a comfortable 66.2°F (19°C). During May, the average low-temperature is a frosty 48.2°F (9°C).

Rainfall

In Salem, in May, it is raining for 11 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 124 rainfall days, and 43.03" (1093mm) of precipitation is accumulated.

Ocean temperature

In Salem, in May, the average water temperature is 46.4°F (8°C).
Note: Swimming in 46.4°F (8°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

In May, the average length of the day is 14h and 38min.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:43 pm. On the last day of May, in Salem, sunrise is at 5:08 am and sunset at 8:13 pm EDT.

Sunshine

In Salem, the average sunshine in May is 8h.

UV index

In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.